set term png
set output "../ISW1d.png"
set arrow from 0,0 to 1,0 nohead
#set title "Wavefunctions of One-dimensional Square Well"
plot "ISW1d_wave.txt" u 1:2 w l lw 3 title "{/Symbol y}_1", "" u 1:3 w l lw 3 t "{/Symbol y}_2", "" u 1:4 w l lw 3 t "{/Symbol y}_3"
